19686044

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2137}}^1$

素因数の和:2202

約数の個数: 36

約数和(自身を含む): 40946976

約数和(自身を除く): 21260932

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2137, 2303, 4274, 4606, 8548, 9212, 14959, 29918, 59836, 100439, 104713, 200878, 209426, 401756, 418852, 703073, 1406146, 2812292, 4921511, 9843022, 19686044]

約数ペア:

[(1, 19686044), (2, 9843022), (4, 4921511), (7, 2812292), (14, 1406146), (28, 703073), (47, 418852), (49, 401756), (94, 209426), (98, 200878), (188, 104713), (196, 100439), (329, 59836), (658, 29918), (1316, 14959), (2137, 9212), (2303, 8548), (4274, 4606)]